<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
<script>
    'use-strict'
    function Person(name){
        this.name = name;
    }
    const person = name =>{
        this.name=name
    }
    console.dir(Person);
    console.dir(person);
    // new person('计涛')
    
</script>
</body>
</html>